662201 has 4 divisors (see below), whose sum is σ = 701172. Its totient is φ = 623232.

The previous prime is 662177. The next prime is 662203. The reversal of 662201 is 102266.

662201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102266 = 2 ⋅51133.

It can be written as a sum of positive squares in 2 ways, for example, as 602176 + 60025 = 776^2 + 245^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-662201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 38953 = 662201 / (6 + 6 + 2 + 2 + 0 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 662201.

It is not an unprimeable number, because it can be changed into a prime (662203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19460 + ... + 19493.

It is an arithmetic number, because the mean of its divisors is an integer number (175293).

2⁶⁶²²⁰¹ is an apocalyptic number.

It is an amenable number.

662201 is a deficient number, since it is larger than the sum of its proper divisors (38971).

662201 is a wasteful number, since it uses less digits than its factorization.

662201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38970.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 662201 is about 813.7573348364. The cubic root of 662201 is about 87.1625533600.

Adding to 662201 its reverse (102266), we get a palindrome (764467).

The spelling of 662201 in words is "six hundred sixty-two thousand, two hundred one".